What specific data must be recorded during concrete strength testing?

The specific data that must be recorded during concrete strength testing includes critical information that directly impacts the integrity and validity of the test results. This includes the date and time of the test, which provides a temporal reference for the conditions under which the concrete was mixed and tested. The mold size is essential as it ensures that the samples conform to standards required for accurate testing, such as those outlined by ASTM specifications. Similarly, noting the type of concrete used helps in identifying the mix design, which is crucial for understanding strength characteristics.

Recording the test results is obviously vital as this provides the outcome of the strength assessment, while technician identification is important for accountability and traceability in the testing process. Having a complete set of this specific data ensures that the testing process complies with industry standards and facilitates effective communication among project stakeholders.

Other options might include some relevant elements; however, they lack the comprehensive scope and focus needed for concrete strength testing documentation.